Car-truck side frame.



W. D. FORSYTH.

GAR TRUCK SIDE FRAME APPLICATION FILED JUHE 1., 191.4.

Patented Jan.19, 1915.

nnirnn STATES "WILLIAM ID. "EGBSYTH, 0F YDUNGSTOWN.

OHIO, ASSIGNGE TO RAILWAY PRCDUCT$ CORPORATION, 61 BUFFALO, NEW YORK, A CORPORATIQN OF NEW YORK.

CAR-TR JCK SIDE FRAME.

Specification of Letters Patent.

di ate/flied Jan. 19, 1915.

Application filed June 1, 1514. Serial No. 842.156.

To all whomit may concern:

lle it known that-,1, WILLIAM D. Fonsyrn, a citizen of the United States, and a resident of the city of Youngstown, county of Mahoning, and State of Ohio, have invented a new and useful improvement in ar- Truck Side Frames, of which the following I is a. specification.

The principal object of my invention is to provide a car truck side frame Which can be easily and cheaply made and which wil be light and Yet strong. I

The invention consists in the parts and in the arrangements and combinations otparts as will more fully appear hereinafter.

In the accompanying drawing, which forms part of this specification and in which like reference characters refer to like parts throughout the several iews. Figure is a plan View of the blank from which a car truck side frame embodving my invention is made; Fig. 2 is a side elevation of the finished side frame; F 3 is a seethon on the line 3-3 of Fig. 2; Fig. an. end elevation of the side frame sho in Fig. i; and Fig. 5 is a section on the line of Fig. :2.

A car truck side frame embodying my invention is lnade from two metal plates which are cut and bent by suitable appa ratus and are then fastened together. The two parts of the side frame which are made from these two plates are alike and description of one will sullice t'or both.

A metal plate sheared or punched into a blank 3., which has general triangular outline. The particular outline of t blank 1. however, may be varied accorc' to the particular shape of the finished car truck side frame desired. In the same operation in which the blank 1 is shaped, or in a subsequent operation. a hole 2 is punched in the middle of the blank 1. The longitudinal edge portions of the blank 1 arebent along lines parallel to the edges, as indicated by the dotted lines 3, at right angles to the blank 1 to form flanges 4, and the edge portions of'the hole 2 are also bent along lines parallel to the edges, as indicated by the dotted lines 5, to form flanges *3. The flanges 4 and the flanges 6 project from the blank 1 in thesame direction. At each end the blank 1, spaced recesses '7 of semi circular crosssection are made by pre ng out portions of the blank in the same hree tion as the flanges land the flanges 6 pro ject.

After the blank 1 has been flanged and the recesses 7 made therein, it constitutes one of the two parts of the side frame. These two parts are placed back to back; with the flanges -l projecting in opposit a, I rections, and are securely fastened together by rivets F5 or by other suitable means. The corresponding recesses T of the two parts match and form holes 9, through whic bolts for fastening the journal boxes I side frame pass. The flanges i5 alira form flanges around the opening 1 n is adapted to receive the bolster. fit the bottom of the opening 10 the flanges ti are Wide and act as spring seats 11.

A. car truck side frame embodying the invention above described is light and not strong and mm be easily and chcaplv made. The outline of the blank 1 may be changed as desired so as to dist-1 ibute the metal in the blank 1 in the finished side frame. The \flanges and 6 stillen and strengthen the side frame.

\ Considerable change can particular construction which is herein shown and described without depart" from my invention. and I do not wish to l limited to the details of such construction.

hat- I claim is: I

1. A car truck side frame co'mprisan EM) metal plates having flanges along their longitudinal edges and having: alined flanged openings therein adapted to recei e a bolster. said plates being fastened together back to back with the said flanges thereon pro jecting in opposite directions.

2.. A car truck side frame comprising two be made in the flanged metal plates fastened together back to back and having alined flanged openings therein adapted to receive a bolster.

3. A car truck side frame comprising two metal plates having fiangeslalong their longitudinal edges and having} alined flanged openings therein adapted to receive a bol-. ster, each of said plates having corresponding semicircular recesses at each end, said plates being fastened together back to back, 10 with said flanges projecting in opg'iosite di reetions. i

Signed at St. Louis, Missouri, this 28th day of May, 1914-.

WILLIAM D. FOB-SYTH. Witnesses: i

NEIL D. PREsToN,

MARTHA A. SHELTON. 

